What is Nuka Bukuro (ぬか袋)?
It's a small bag with rice bran inside.
Nuka, Rice bran has been known for beauty care 1000 years ago. But the Nuka Bukuro came popular in Edo period (1603 - 1868) by increasing yield of rice, and also popular having bathing.
In 1894 company name Bijin Nuka Honppo released the first commercial stuff for facial and body wash.

1. What is Nuka ceramide?
As you may know, ceramide is intercellular lipid which prevents skin drying and bacteria attach. Ceramide ingredient in Nuka works as human skin ceramide to protect skin.

2. What is Nuka effects?
Nuka has effective ingredients to make beauty skins. Especially for keeping moisture. The notable is Orizaburan moisture ingredient which originated from rice bran keeps youthful beauty skin. And also has whitening effect, enhance metabolism.

3. Rich vitamin BVitamin B known as diet and supplements for recovering from unattractive skin. Compound into cosmetic is also known as an highly effect for beauty.

How to use:
1. Squeeze lightly in the water or warm water to immerse thoroughly.
2. Don't scrub hard, massage softly.
3. After use of Nuka Bukuro wring slightly and dry.
* Rinse thoroughly after use.
​* Can use to until Nuka runs out.
Referred site: http://store.bijin-nuka.com/bijinnuka/7.1/2/